Recent
Snow
3
Predicted
Snow
6
US Extended Snowfall Outlook
FORECAST DISCUSSION Jan 22, 2017 - Sunday at 6:20am PST

Today Low pressure is exiting Colorado and New Mexico this morning, after dropping 1/2 foot for Aspen-Snowmass, 1 1/2 feet for Telluride (!!), and 1 foot for Taos Ski Valley! Strong low pressure is carving south through California with heavy snowfall for Tahoe through Mammoth, and moving into southern California. Monday and Tuesday the focus of snowfall shifts to southern California and Arizona, through New Mexico, and also Colorado, where heavy snow is expected for all thanks to plenty of moisture and strong dynamics, holding together pretty well as it moves inland. On Wednesday, and Thursday we expect lingering lighter snow showers with a clouds + sun mix, for the northern Rocky Mountains south through Colorado, and lingering snow for the Cascades and south to Tahoe and northern Utah (more sun for Tahoe and northern Utah, than CColorado and the northern Rocky Mountains. Friday and next weekend: Mostly sunny almost everywhere, under strong high pressure ridging, and this continues into early February. CM

LONGER RANGE...
(see above). CM
For good information on the snow pack across the US and into southern Canada, including temperature of the snow pack, snow melt, sublimation, new snowfall, snow depth, expected snow, and other parameters/ variables, zoomable with great detail, all overlayed on some really nice maps ~different map choices~ that you can select from, please see our constantly evolving Snowpack Info maps here, and Snow Forecast probability maps here: Best on the net! If you know of better please let us know.
Forecast discussion for Aspen-Snowmass and Western Colorado

Updated Monday, January 23, 2017, at 6:20am PST...

Today through this evening, HEAVY snow is expected for Aspen and the rest of western Colorado!

Today Many ingredients are in place, like a strong jet stream, lots of mid and upper level dynamics, and good moisture/ orographics, for heavy snow at Aspen-Snowmass and most of western Colorado. Snow will pick up this morning and continue through the day, and through tonight... The focus shifts to northern resorts across Summit and Grand County areas overnight as the cross-mountain wind flow turns more west and northwest, with better accumulations there tonight and through Tuesday. Tuesday looks like a powder day for Aspen-Snowmass and pther resorts south of the I-70 and west of Vail! Wednesday and Thursday look cold and with lingering snow showers as the upper level pattern looks unsettled due to lingering low pressure to the east, and an unsettled northwest flow overhead + embedded shortwave weather disturbances. CM

LONGER RANGE...
During the last several days of January, we see high pressure ridging build in across the western US, with some storms mainly hitting the peripheries of the region (western US), like more northern storms headed into the large scale trough across the midwest/ eastern US clipping Colorado with some snow (always favoring northern Colorado), and also storms headed across the northern Rocky Mountains. Most areas should see mostly sunny skies and a break from any snow until February. Early February may be mostly dry and milder across the wester US as the eastern US gets its turn at some snow. CM
Check out our 2016-2017 snow outlook/ guidance here
SnowMap Legend
CUSTOM FORECAST DETAILS
Weather Icon

↑25° / -4c°

↓12° / -11c°

Mountain Graphic

Sky Condition

Windy with snow

Snow Potential

We are expecting 4 to 7 inches of snowfall (10 to 18cm)

Precipitation

90% chance for snow. (Potential precip: 0.36in, 9.15mm)

Wind

From the SW at 9 to 21 MPH, with gusts up to 33MPH.

Weather Icon

↑16° / -9c°

↓0° / -18c°

Mountain Graphic

Sky Condition

Cloudy with light snow likely

Snow Potential

We are expecting 3 to 5 inches of snowfall (8 to 13cm)

Precipitation

70% chance for snow. (Potential precip: 0.11in, 2.88mm)

Wind

From the WNW at 8 to 10 MPH.

Weather Icon

↑12° / -11c°

↓1° / -17c°

Mountain Graphic

Sky Condition

Mostly cloudy with scattered snow showers

Snow Potential

We are expecting 1 to 2 inches of snowfall (3 to 5cm)

Precipitation

40% chance for snow. (Potential precip: 0.05in, 1.37mm)

Wind

From the WNW at 8 to 11 MPH.

Weather Icon

↑12° / -11c°

↓1° / -17c°

Mountain Graphic

Sky Condition

Partly cloudy with slight chance of light snow

Snow Potential

We are expecting a trace to 1 inch of snowfall (1 to 3cm)

Precipitation

20% chance for snow. (Potential precip: 0.01in, 0.36mm)

Wind

From the W at 6 to 9 MPH.

Weather Icon

↑16° / -9c°

↓7° / -14c°

Mountain Graphic

Sky Condition

Mostly sunny

Snow Potential

None Expected

Precipitation

None Expected

Wind

From the NW at 6 to 7 MPH.

Weather Icon

↑23° / -5c°

↓12° / -11c°

Mountain Graphic

Sky Condition

Mostly sunny

Snow Potential

None Expected

Precipitation

None Expected

Wind

From the NW at 6 to 8 MPH.

27 Sep 2016 - 11:20am PST
What is the weak La Nina/ ENSO Neutral SST pattern going to bring this winter of 2016-2017? We put together a comparison to some past possibly analogous years, here: Here is some guidance, using previous similar pattern years. This guidance is for Aspen, near base elevations (mid and upper mountain get 2 to 3 times as much snow).CM

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